FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2953156652> ?p ?o ?g. }

• W2953156652 abstract "Purpose: A dosimetric system formed by Gafchromic EBT2 radiochromic film and Epson Expression 10000XL flatbed scanner was commissioned for dosimetry. In this paper, several open questions concerning the commissioning of radiochromic films for dosimetry were addressed: (a) is it possible to employ this dosimetric system in reflection mode; (b) if so, can the methods used in transmission mode also be used in reflection mode; (c) is it possible to obtain accurate absolute dose measurements with Gafchromic EBT2 films; (d) which calibration method should be followed; (e) which calibration models should be used; and (f) does three‐color channel dosimetry offer a significant improvement over single channel dosimetry. The purpose of this paper is to help clarify these questions. Methods: In this study, films were scanned in reflection mode, the effect of surrounding film was evaluated and the feasibility of EBT2 film dosimetry in reflection mode was studied. EBT2's response homogeneity has been reported to lead to excessive dose uncertainties. To overcome this problem, a new plan‐based calibration method was implemented. Plan‐based calibration can use every pixel and each of the three color channels of the scanned film to obtain the parameters of the calibration model. A model selection analysis was conducted to select lateral correction and sensitometric curve models. The commonly used calibration with fragments was compared with red‐channel plan‐based calibration and with three‐channel plan‐based calibration. Results: No effect of surrounding film was found in this study. The film response inhomogeneity in EBT2 films was found to be important not only due to differences in the fog but also due to differences in sensitivity. The best results for lateral corrections were obtained using absolute corrections independent of the dose. With respect to the sensitometric curves, an empirical polynomial fit of order 4 was found to obtain results equivalent to a gamma‐distributed single hit model based on physical assumptions. Three‐channel dosimetry was found to be substantially superior to red‐channel dosimetry. Conclusions: Reflection mode with Gafchromic EBT2 radiochromic film was found to be a viable alternative to transmission mode. The same methods that are used in transmission mode can be followed in reflection mode. A novel plan‐based method was developed for calibration and multichannel dosimetry. This novel method offers increased robustness against film response inhomogeneities and reduces considerably the time required for calibration." @default.
• W2953156652 created "2019-06-27" @default.
• W2953156652 creator A5005789970 @default.
• W2953156652 creator A5048582607 @default.
• W2953156652 creator A5063461024 @default.
• W2953156652 creator A5065451656 @default.
• W2953156652 creator A5074550975 @default.
• W2953156652 date "2013-01-01" @default.
• W2953156652 modified "2023-09-23" @default.
• W2953156652 title "Gafchromic EBT2 film dosimetry in reflection mode with a novel plan-based calibration method" @default.
• W2953156652 cites W1979557556 @default.
• W2953156652 cites W1982921658 @default.
• W2953156652 cites W1983724303 @default.
• W2953156652 cites W1987915211 @default.
• W2953156652 cites W1989437078 @default.
• W2953156652 cites W1993479047 @default.
• W2953156652 cites W2005215763 @default.
• W2953156652 cites W2014515263 @default.
• W2953156652 cites W2016221157 @default.
• W2953156652 cites W2016755314 @default.
• W2953156652 cites W2019711921 @default.
• W2953156652 cites W2028007641 @default.
• W2953156652 cites W2049316332 @default.
• W2953156652 cites W2049540258 @default.
• W2953156652 cites W2070201618 @default.
• W2953156652 cites W2073902000 @default.
• W2953156652 cites W2091642083 @default.
• W2953156652 cites W2093930083 @default.
• W2953156652 cites W2166698761 @default.
• W2953156652 doi "https://doi.org/10.1118/1.4772075" @default.
• W2953156652 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/23298090" @default.
• W2953156652 hasPublicationYear "2013" @default.
• W2953156652 type Work @default.
• W2953156652 sameAs 2953156652 @default.
• W2953156652 citedByCount "20" @default.
• W2953156652 countsByYear W29531566522013 @default.
• W2953156652 countsByYear W29531566522015 @default.
• W2953156652 countsByYear W29531566522016 @default.
• W2953156652 countsByYear W29531566522017 @default.
• W2953156652 countsByYear W29531566522018 @default.
• W2953156652 countsByYear W29531566522020 @default.
• W2953156652 countsByYear W29531566522021 @default.
• W2953156652 countsByYear W29531566522022 @default.
• W2953156652 countsByYear W29531566522023 @default.
• W2953156652 crossrefType "journal-article" @default.
• W2953156652 hasAuthorship W2953156652A5005789970 @default.
• W2953156652 hasAuthorship W2953156652A5048582607 @default.
• W2953156652 hasAuthorship W2953156652A5063461024 @default.
• W2953156652 hasAuthorship W2953156652A5065451656 @default.
• W2953156652 hasAuthorship W2953156652A5074550975 @default.
• W2953156652 hasBestOaLocation W29531566522 @default.
• W2953156652 hasConcept C105795698 @default.
• W2953156652 hasConcept C119128265 @default.
• W2953156652 hasConcept C120665830 @default.
• W2953156652 hasConcept C121332964 @default.
• W2953156652 hasConcept C127162648 @default.
• W2953156652 hasConcept C165838908 @default.
• W2953156652 hasConcept C192562407 @default.
• W2953156652 hasConcept C199360897 @default.
• W2953156652 hasConcept C23531484 @default.
• W2953156652 hasConcept C2779751349 @default.
• W2953156652 hasConcept C2989005 @default.
• W2953156652 hasConcept C33923547 @default.
• W2953156652 hasConcept C41008148 @default.
• W2953156652 hasConcept C62520636 @default.
• W2953156652 hasConcept C65682993 @default.
• W2953156652 hasConcept C71924100 @default.
• W2953156652 hasConcept C75088862 @default.
• W2953156652 hasConcept C76155785 @default.
• W2953156652 hasConceptScore W2953156652C105795698 @default.
• W2953156652 hasConceptScore W2953156652C119128265 @default.
• W2953156652 hasConceptScore W2953156652C120665830 @default.
• W2953156652 hasConceptScore W2953156652C121332964 @default.
• W2953156652 hasConceptScore W2953156652C127162648 @default.
• W2953156652 hasConceptScore W2953156652C165838908 @default.
• W2953156652 hasConceptScore W2953156652C192562407 @default.
• W2953156652 hasConceptScore W2953156652C199360897 @default.
• W2953156652 hasConceptScore W2953156652C23531484 @default.
• W2953156652 hasConceptScore W2953156652C2779751349 @default.
• W2953156652 hasConceptScore W2953156652C2989005 @default.
• W2953156652 hasConceptScore W2953156652C33923547 @default.
• W2953156652 hasConceptScore W2953156652C41008148 @default.
• W2953156652 hasConceptScore W2953156652C62520636 @default.
• W2953156652 hasConceptScore W2953156652C65682993 @default.
• W2953156652 hasConceptScore W2953156652C71924100 @default.
• W2953156652 hasConceptScore W2953156652C75088862 @default.
• W2953156652 hasConceptScore W2953156652C76155785 @default.
• W2953156652 hasIssue "1" @default.
• W2953156652 hasLocation W29531566521 @default.
• W2953156652 hasLocation W29531566522 @default.
• W2953156652 hasLocation W29531566523 @default.
• W2953156652 hasLocation W29531566524 @default.
• W2953156652 hasOpenAccess W2953156652 @default.
• W2953156652 hasPrimaryLocation W29531566521 @default.
• W2953156652 hasRelatedWork W1990097640 @default.
• W2953156652 hasRelatedWork W2040487501 @default.
• W2953156652 hasRelatedWork W2075108150 @default.
• W2953156652 hasRelatedWork W2085749567 @default.
• W2953156652 hasRelatedWork W2095975725 @default.
• W2953156652 hasRelatedWork W2470444924 @default.

• next